import Vue from 'vue'

import Cookies from 'js-cookie'

import Element from 'element-ui'
import './assets/styles/element-variables.scss'

import '@/assets/styles/index.scss' // global css
import '@/assets/styles/ruoyi.scss' // ruoyi css
import App from './App'
import store from './store'
import router from './router'
import directive from './directive' // directive
import plugins from './plugins' // plugins
import { download } from '@/utils/request'

import './assets/icons' // icon
import './permission' // permission control
import { getDicts } from "@/api/system/dict/data"
import { getConfigKey } from "@/api/system/config"
import { parseTime, resetForm, addDateRange, selectDictLabel, selectDictLabels, handleTree } from "@/utils/ruoyi"
// 分页组件
import Pagination from "@/components/Pagination"
// 自定义表格工具组件
import RightToolbar from "@/components/RightToolbar"
// 富文本组件
import Editor from "@/components/Editor"
// 文件上传组件
import FileUpload from "@/components/FileUpload"
// 图片上传组件
import ImageUpload from "@/components/ImageUpload"
// 图片预览组件
import ImagePreview from "@/components/ImagePreview"
// 字典标签组件
import DictTag from '@/components/DictTag'
// 字典数据组件
import DictData from '@/components/DictData'

// 全局方法挂载
Vue.prototype.getDicts = getDicts
Vue.prototype.getConfigKey = getConfigKey
Vue.prototype.parseTime = parseTime
Vue.prototype.resetForm = resetForm
Vue.prototype.addDateRange = addDateRange
Vue.prototype.selectDictLabel = selectDictLabel
Vue.prototype.selectDictLabels = selectDictLabels
Vue.prototype.download = download
Vue.prototype.handleTree = handleTree

// 全局组件挂载
Vue.component('DictTag', DictTag)
Vue.component('Pagination', Pagination)
Vue.component('RightToolbar', RightToolbar)
Vue.component('Editor', Editor)
Vue.component('FileUpload', FileUpload)
Vue.component('ImageUpload', ImageUpload)
Vue.component('ImagePreview', ImagePreview)

Vue.use(directive)
Vue.use(plugins)
DictData.install()

/**
 * If you don't want to use mock-server
 * you want to use MockJs for mock api
 * you can execute: mockXHR()
 *
 * Currently MockJs will be used in the production environment,
 * please remove it before going online! ! !
 */

Vue.use(Element, {
  size: Cookies.get('size') || 'medium' // set element-ui default size
})

function loadUEditor() {
  return new Promise((resolve, reject) => {
    // 1. 引入配置文件（先加载配置）
    const configScript = document.createElement('script')
    configScript.src = '/static/ueditor/ueditor.config.js'
    document.body.appendChild(configScript)

    // 2. 引入核心文件（再加载核心，创建 window.UE）
    const coreScript = document.createElement('script')
    coreScript.src = '/static/ueditor/ueditor.all.js'
    document.body.appendChild(coreScript)

    // 3. 核心文件加载完成后，再引入语言包（关键：保证顺序）
    coreScript.onload = () => {
      if (!window.UE) {
        reject(new Error('UEditor 核心文件加载失败'))
        return
      }

      // 引入中文语言包（此时 window.UE 已存在，UE.lang 已初始化）
      const langScript = document.createElement('script')
      langScript.src = '/static/ueditor/lang/zh-cn/zh-cn.js'
      document.body.appendChild(langScript)

      // 语言包加载完成后，resolve
      langScript.onload = () => {
        resolve(window.UE)
      }

      // 语言包加载失败处理
      langScript.onerror = () => {
        reject(new Error('UEditor 中文语言包加载失败'))
      }
    }

    // 核心文件加载失败处理
    coreScript.onerror = () => {
      reject(new Error('UEditor 核心文件加载失败'))
    }
  })
}



loadUEditor().then(() => {
  Vue.config.productionTip = false
  new Vue({
    el: '#app',
    router,
    store,
    render: h => h(App)
  })
}).catch(err => {
  console.error('UEditor 加载失败：', err)
  // 可选：提示用户
  alert('富文本编辑器加载失败，请刷新页面重试')
})

